BLADERUNNER: Add Dialogue Menu

1 files changed, 359 insertions, 0 deletions

diff --git a/engines/bladerunner/dialogue_menu.cpp b/engines/bladerunner/dialogue_menu.cpp
new file mode 100644
index 0000000000..2ef137f9d4
--- /dev/null
+++ b/engines/bladerunner/dialogue_menu.cpp
@@ -0,0 +1,359 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "bladerunner/dialogue_menu.h"
+
+#include "bladerunner/bladerunner.h"
+
+#include "bladerunner/font.h"
+#include "bladerunner/mouse.h"
+#include "bladerunner/shape.h"
+#include "bladerunner/text_resource.h"
+
+#include "common/debug.h"
+#include "common/util.h"
+
+#define LINE_HEIGHT  9
+#define BORDER_SIZE 10
+
+namespace BladeRunner {
+
+DialogueMenu::DialogueMenu(BladeRunnerEngine *vm)
+	: _vm(vm)
+{
+	reset();
+	_textResource = new TextResource(_vm);
+	_shapes.reserve(8);
+	for (int i = 0; i != 8; ++i) {
+		_shapes.push_back(Shape(_vm));
+		bool r = _shapes[i].readFromContainer("DIALOG.SHP", i);
+		assert(r);
+		(void)r;
+	}
+}
+
+DialogueMenu::~DialogueMenu() {
+	delete _textResource;
+}
+
+bool DialogueMenu::loadText(const char *name) {
+	bool r = _textResource->open(name);
+	if (!r) {
+		error("Failed to load dialogue menu text");
+	}
+	return r;
+}
+
+bool DialogueMenu::show() {
+	int x, y;
+
+	_vm->_mouse->getXY(&x, &y);
+
+	return showAt(x, y);
+}
+
+bool DialogueMenu::showAt(int x, int y) {
+	debug("DialogueMenu::showAt %d %d %d", _isVisible, x, y);
+	if (_isVisible) {
+		return false;
+	}
+
+	_isVisible = true;
+	_selectedItemIndex = 0;
+	_centerX = x;
+	_centerY = y;
+	calculatePosition(x, y);
+
+	return true;
+}
+
+bool DialogueMenu::hide() {
+	_waitingForInput = 0;
+	if (!_isVisible) {
+		return false;
+	}
+
+	_isVisible = false;
+	return true;
+}
+
+bool DialogueMenu::clearList() {
+	_selectedItemIndex = -1;
+	_listSize = 0;
+	return true;
+}
+
+bool DialogueMenu::addToList(int answer, int a3, int a4, int a5, int a6) {
+	if (_listSize >= 10)
+		return false;
+	if (getAnswerIndex(answer) != -1)
+		return false;
+
+	const char *text = _textResource->getText(answer);
+	if (!text || strlen(text) >= 50)
+		return false;
+
+	int index = _listSize++;
+	strcpy(_items[index].text, text);
+	_items[index].answerValue = answer;
+	_items[index].field_36 = 0;
+	_items[index].field_46 = a3;
+	_items[index].field_3A = a4;
+	_items[index].field_3E = a5;
+	_items[index].field_42 = a6;
+
+	// CHECK(madmoose): BLADE.EXE calls this needlessly
+	// calculatePosition();
+
+	return true;
+}
+
+bool DialogueMenu::addToListNeverRepeatOnceSelected(int answer, int a3, int a4, int a5) {
+	for (int i = 0; i != _neverRepeatListSize; ++i) {
+		if (answer == _neverRepeatValues[i] && _neverRepeatWasSelected[i]) {
+			return true;
+		}
+	}
+
+	_neverRepeatValues[_neverRepeatListSize] = answer;
+	_neverRepeatWasSelected[_neverRepeatListSize] = false;
+	++_neverRepeatListSize;
+	return addToList(answer, 0, a3, a4, a5);
+}
+
+int DialogueMenu::queryInput() {
+	if (!_isVisible || _listSize == 0)
+		return -1;
+
+	int answer = -1;
+	if (_listSize == 1) {
+		_selectedItemIndex = 0;
+		answer = _items[0].answerValue;
+	} else if (_listSize == 2) {
+		if (_items[0].field_46) {
+			_selectedItemIndex = 1;
+			answer = _items[0].answerValue;
+		} else if (_items[0].field_46) {
+			_selectedItemIndex = 0;
+			answer = _items[1].answerValue;
+		}
+	}
+
+	if (answer == -1) {
+		int agenda = 4; //_vm->_settings.getPlayerAgenda();
+		if (agenda == 4) {
+			_waitingForInput = true;
+			do {
+				// if (!_vm->_gameRunning)
+				// 	break;
+
+				while (!_vm->playerHasControl()) {
+					_vm->playerGainsControl();
+				}
+
+				while (_vm->_mouse->isDisabled()) {
+					_vm->_mouse->enable();
+				}
+
+				_vm->gameTick();
+			} while (_waitingForInput);
+
+		} else if (agenda == 3) {
+			int tries = 0;
+			bool searching = true;
+			int i;
+			do {
+				i = _vm->_rnd.getRandomNumber(_listSize - 1);
+				if (!_items[i].field_46) {
+					searching = false;
+				} else if (++tries > 1000) {
+					searching = false;
+					i = 0;
+				}
+			} while (searching);
+			_selectedItemIndex = i;
+		} else {
+			error("unimplemented...");
+		}
+	}
+
+	answer = _items[_selectedItemIndex].answerValue;
+	for (int i = 0; i != _neverRepeatListSize; ++i) {
+		if (answer == _neverRepeatValues[i]) {
+			_neverRepeatWasSelected[i] = true;
+			break;
+		}
+	}
+
+	if (_selectedItemIndex >= 0) {
+		debug("DM Query Input: %d %s", answer, _items[_selectedItemIndex].text);
+	}
+
+	return answer;
+}
+
+int DialogueMenu::listSize() {
+	return _listSize;
+}
+
+bool DialogueMenu::isVisible() {
+	return _isVisible;
+}
+
+bool DialogueMenu::isOpen() {
+	return _isVisible || _waitingForInput;
+}
+
+void DialogueMenu::tick(int x, int y) {
+	if (!_isVisible || _listSize == 0) {
+		return;
+	}
+
+	int line = (y - (_screenY + BORDER_SIZE)) / LINE_HEIGHT;
+	line = CLIP(line, 0, _listSize - 1);
+
+	_selectedItemIndex = line;
+}
+
+void DialogueMenu::draw() {
+	if (!_isVisible || _listSize == 0)
+		return;
+
+	for (int i = 0; i != _listSize; ++i) {
+		if (i == _selectedItemIndex) {
+			_items[i].field_36 = 31;
+		} else {
+			_items[i].field_36 = 16;
+		}
+
+		// TODO(madmoose): There's more logic here
+	}
+
+	const int x1 = _screenX;
+	const int y1 = _screenY;
+	const int x2 = _screenX + BORDER_SIZE + _maxItemWidth;
+	const int y2 = _screenY + BORDER_SIZE + _listSize * LINE_HEIGHT;
+
+	Graphics::Surface &s = _vm->_surfaceGame;
+
+	darkenRect(s, x1 + 8, y1 + 8, x2 + 2, y2 + 2);
+
+	_shapes[0].draw(s, x1, y1);
+	_shapes[3].draw(s, x2, y1);
+	_shapes[2].draw(s, x1, y2);
+	_shapes[5].draw(s, x2, y2);
+
+	int x = x1 + BORDER_SIZE;
+	int y = y1 + BORDER_SIZE;
+	for (int i = 0; i != _listSize; ++i) {
+		_shapes[1].draw(s, x1, y);
+		_shapes[4].draw(s, x2, y);
+		uint16 color = ((_items[i].field_36 >> 1) << 10) | ((_items[i].field_36 >> 1) << 6) | _items[i].field_36;
+		_vm->_mainFont->drawColor(_items[i].text, s, x, y, color);
+		y += LINE_HEIGHT;
+	}
+	for (; x != x2; ++x) {
+		_shapes[6].draw(s, x, y1);
+		_shapes[7].draw(s, x, y2);
+	}
+}
+
+int DialogueMenu::getAnswerIndex(int answer) {
+	for (int i = 0; i != _listSize; ++i) {
+		if (_items[i].answerValue == answer) {
+			return i;
+		}
+	}
+
+	return -1;
+}
+
+const char *DialogueMenu::getText(int id) {
+	return _textResource->getText((uint32)id);
+}
+
+void DialogueMenu::calculatePosition(int unusedX, int unusedY) {
+	_maxItemWidth = 0;
+	for (int i = 0; i != _listSize; ++i) {
+		_maxItemWidth = MAX(_maxItemWidth, _vm->_mainFont->getTextWidth(_items[i].text));
+	}
+	_maxItemWidth += 2;
+
+	int w = BORDER_SIZE + _shapes[4].getWidth() + _maxItemWidth;
+	int h = BORDER_SIZE + _shapes[7].getHeight() + LINE_HEIGHT * _listSize;
+
+	_screenX = _centerX - w / 2;
+	_screenY = _centerY - h / 2;
+
+	_screenX = CLIP(_screenX, 0, 640 - w);
+	_screenY = CLIP(_screenY, 0, 480 - h);
+
+	debug("calculatePosition: %d %d %d %d %d", _screenX, _screenY, _centerX, _centerY, _maxItemWidth);
+}
+
+void DialogueMenu::mouseUp() {
+	_waitingForInput = false;
+}
+
+bool DialogueMenu::waitingForInput() {
+	return _waitingForInput;
+}
+
+void DialogueMenu::clear() {
+	_isVisible = false;
+	_waitingForInput = false;
+	_selectedItemIndex = 0;
+	_listSize = 0;
+	for (int i = 0; i != 10; ++i) {
+		_items[0].text[0] = '\0';
+		_items[0].answerValue = -1;
+		_items[0].field_36 = 0;
+		_items[0].field_42 = -1;
+		_items[0].field_3A = -1;
+		_items[0].field_3E = -1;
+		_items[0].field_46 = 0;
+	}
+	_neverRepeatListSize = 0;
+	for (int i = 0; i != 100; ++i) {
+		_neverRepeatValues[i]      = -1;
+		_neverRepeatWasSelected[i] = false;
+	}
+	_centerX = 0;
+	_centerY = 0;
+}
+
+void DialogueMenu::reset() {
+	clear();
+	_textResource = nullptr;
+}
+
+void DialogueMenu::darkenRect(Graphics::Surface &s, int x1, int y1, int x2, int y2) {
+	for (int y = y1; y != y2; ++y) {
+		for (int x = x1; x != x2; ++x) {
+			// TODO(madmoose)
+			uint16 *p = (uint16*)s.getBasePtr(x, y);
+			*p = 0;
+		}
+	}
+}
+
+} // End of namespace BladeRunner